CLAS physics database search results Measurement E1M762 E93-006 CLAS experiment V. D. Burkert, M. Ripani 2003 psi(pi-) dsigma/dpsi_pim Stat. error deg mcbn/rad mcbn/rad 36 2.5618961 0.15198502 108 2.9196646 0.20061313 180 3.2635176 0.23654394 251.99998 2.7890873 0.15848804 324 2.4121242 0.18709928